PALAOZOIC, CEPHALOPODA. 
CAMBRIAN. LOWER SIL. UPPER SILURIAN. 
Ears EEN i re x 
s Sled lnoles lel) sl) |S 
| la SS) eR 4lslelelels|e2 
ce] | & SlS2/Slelelelelsig 
a} .|8 (s/s Sle ilsls 
Als|a|s 3/8) s/s] e|2 Bl p.| so |X 
SPECIES. slelel2| .jslolSl8| Sis hs lAleiAals| a 
Dl SlalaelweslSirAilsia|selolxa/eleali|s 
Bl alslslSle|eAlslaial 213] sl4! 
HIS Alal/al slel] | Slal/slelelalsiz 
S/O) EPS S 1S) Sparc 2216) a) ais | 3 
HISISISIdiIA lS |SiolF IEE |S /< pis Ie 
ORTHOCERATID#. 
Conoceras ......... Bronn, 1834... 
— Llanvirnensis ... Roberts ......0.-|..2]-0+|-0e|eee He feee [eee [eoaPece]oee| one 
ORTHOCERATID®. 
Cyrtoceras ......... Goldf. 1832 
— alternatum ...... IB LOK Cramer dee ces | eel lee| hee | see eee eee #| icc loo01|000] con|foo5| Ieee 205] {oa | ro) lose 
— contrarium ...... TERS cron so0nonGel|oocllo6|laeo| aod fon| 458] [eco food bee elise 
— corniculum .,,,... TEXT P sep SOO 000K leet fscet (e6c| lace| fpse| lec leoal aod loos 1800 x |x 
— equisetum ...... IBUGKEreneasoseees lore ceased cet | eae eoalaes| eee] sze|ensleen lees 2 
— extricatum ..,... Blake......... fat laec| 600! laso} bdo] esol [cab [Sol Ibect Iaael Icoo! onal kaa * 
— fortiusculum .,, Barr........ Raens |/ab| [esol lead es) |se0 peal ines | eel fell erate 
—" HK [eeelewe| eee wee 
= ea 
— macrum ..,....... IBLGICC amines Aol aee| bao) leo laoe) Ibacl food 3 ||b6) IAne| G90] fo nce|toe0| {aos} oa0l fag lags 
— magnum ,,....... (BLA eS setececced|esallclvceliceal Wedlescoaslloaelbecllesalliece 1) sell oe [ee 
— plebeium ......... JECTS cco pone0on co) Hee] G6o| Inoa! food) lee] oodl {aad [ped laoo| [oon] foc ilesalees 
— precox ...., qaeitei ISGAKD bdococapence Ant eed fase lord cad jose ado| isecl Beat foocl loon! face lace ae! eee local ar: 
— reversum...,..... Blake......... 200) fase loool fast loco) [ec (G08) |eeal face lacn|[o0a| [a od||deel| <3 lle 
—— SCOGICUM 5. .ee1ee DIGHE..cc.cce Ad60 leaal fod) Ise] lace! Idoel Iara al| acl beselieool tase 
— subarcuatum ... Portl...... apes Sen |sealicea| roel ct | leod foal f600| loool loos leoelIacol Isect Leon lod 
— Uranus ..........4. BG excccgucess| eee) ee4| seal eccl eea|icce|ceel eee fnas x x 
ORTHOCERATID®. 
Gomphoceras ...... Sowerby, 1839 
— equale............ IBUGICEN A wacestean acl aval cecallceel ee (ese| eet oacDeenil fen 23s! bedllonol oar 
— amygdala......... TT Rs 8309000000 eae|)-cel 600) [ood Jase see 20 fan {oeo) O08 * |x 
> Oba oe Tet rscantiens| ed [ool lone land [ose ool foo [ead [aor |e | 
=! COLODA sane nesenes aCMesns ses seceea less | nes] teal een| seal (seclone| cea soallceciltece | o58\|o00) looc| eas 
=i CPAGOL iaguic ecu adsl UOC reseecioaniss||lore| esa [teal| cee see [leet | ak | ef-s |ecelave| cve|ees 
| fas CR ence paSRSceeCone! 84/1. eoemadcncero| as Wesel see bec] Hee) leeBl cect leael sacl bel lean 4 loool fooa| |eoo| lace 
| 
i Pa Soe anencon dE cneocoeeOc0d| load aed |sac| load Hoel Iacel lace lane] fool tsoal lose Hileeallves|(veailleos 
— neglectum .,..... BUGGY cc .cxetes| cee lsve|eral eeefeealoee|(eee] eed) eae] eext| eee 1 |tae4| |685||o0o|[e0o 
— obovatum......... BULGE: cecssssavs|ccclieee| seal rod feee local eactaralewelicol ace £3 | loool aad bed fan 
AMMONITOIDEA, 
| Goniatites? ...... De Haan, 1825 
{ 
SS SIO by ATE Gagosnepnood nal aca Beal looct lace| need feel ind! lanl leon P| ses Goel et ioe 
REFERENCES, 
Q. J. Geol. Soc. vol. xl, p. 636, t. 28, 
Mono. Brit. Foss. Ceph. p. 185, t. 22, f. 4. 
Barr. Syst. Silur. de Bohém, vol. ii, p. 586, t.146; ib, Blake, 
Mono. Brit. Foss. Ceph. p. 175, t. 19, f. 9, 10. 
Syst. Silur, de Bohém. vol. ii, p. 492, t. 121; ib, Blake, 
Mono. Brit. Foss. Ceph. p. 173, t. 19, f. 8. 
Mono. Brit. Foss. Ceph. p. 181, t. 30, f. 7. 
tilaceum, Sow. 
? Phrag. nau- 
Mono. Brit. Foss. Ceph. p. 183, t.5, f. 10,11. Lituites 
articulatus (part), Sow. Sil. Syst. t. 11, f. 7 only. 
Syst. Silur, Bohém. vol. ii, p. 630, t. 207, f. 13-16; ib. 
Blake, Mono. Brit. Foss. Ceph. p. 178, t. 13, f. 3. 
Vide Piloceras. 
Mono. Brit. Foss. Ceph. p. 
Mono. Brit. Foss. Ceph. p. 
Mono. Brit. Foss. Ceph. p. 169, t. 21, f. 5. 
Mono. Brit. Foss. Ceph. p. 178, t. 27, f. 3. 
Syst. Silur, de Bohém. p. 525, t. 109-208; ib. Blake, Mono. 
Brit. Foss. Ceph. p. 176, t. 19, f. 5. 
Vide Blake, Mono. Brit. Foss. Ceph. p. 166, t. 18, f. 6, 7. 
Mono. Brit. Foss. Ceph. p. 169, t. 21, f. 5. 
Mono. Brit. Foss. Ceph. p. 185, t. 21, f. 4. 
Orthoceras, Geol. Rept. p. 374, t. 28, f. 9. Cyrtoceras, 
Blake, Mono. Brit. Foss. Ceph. p. 182, t. 20, f. 7. 
Syst. Silur. de Bohém, vol. ii, p. 644, t. 196, f. 12-18; ib. 
Blake, Mono. Brit. Foss. Ceph. p. 180, t. 21, f. 3. 
TAs te Qs pts) 05171. 
Ti7iL top 2g eres 
Mono. Brit. Foss. Ceph. p. 188, t. 26, f. 6. 
Syst. Silur.de Bohém. p. 273, t. 77, f. 23-265 t. 80, f. 1-17: 
ae Mono. Brit. Ceph. Foss. p. 198, t. 25, £. 4, t. 23, 
Mono. Brit. Foss. Ceph. p. 197, t. 
Mono. Brit. Foss. Ceph. p. 189, t. 
Mono, Brit. Foss. Ceph. p. 189, t.- 
Mono. Brit. Foss. Ceph. p. 195, t. 22, f. 5. 
Syst. Silur. de Bohém. p. 320, t. 73, f.6, 7; t. 82, f. 13-16. 
Mono. Brit. Foss. Ceph. p. 197, t. 23, f. 3. 
Mono. Brit. Foss. Ceph. p. 193, t. 22, f. 3. 
Aa itis bp 
26, f. 45 55 7- 
23, f. 4-8. 
Phragmoceras, Sil. Syst. p. 622, t. 10, f. 2. 
Blake, Mono. Brit. Foss. Ceph. p. 232, t. 27, £. 4. 
420 
* * | 
Goniatites, 
CAMBRIAN AND SILURIAN. 
—— 
